light bulb Archives - Sustainablog

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Denver Man Invents World’s First Solar-Powered Light Bulb

What do ski risers, ceiling bike storage, goggle fans and solar-powered light bulbs have in common? Stephen Katsaros. He’s an entrepreneur and inventor from Denver, Colorado with a knack for getting things done, as evidenced by the quick conception in January (and birth in July) of the Nokero Solar Light Bulb, with which Katsaros plans […]

September 1st